- Yes, date unknown
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Date |
Event(s) |
| 1 | 1884 | - 1884: James Ritty invents the first working, mechanical cash register.
- 1884: Charles Parson patents the steam turbine.
- 1884: Lewis Edson Waterman invents the first practical fountain pen.
- 1884: George Eastman patents paper-strip photographic film.
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